/**
 * WML Button Mask Animation Styles
 */

.wml-button-mask-wrapper {
    display: inline-block;
    vertical-align: middle;
    line-height: 1;
}

.wml-btn-mask-container {
    position: relative;
    display: inline-block;
    vertical-align: middle;
    width: auto;
    height: auto;
    overflow: hidden;
    border: 1px solid #000;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    line-height: 1;
    transition: 0.5s;
}

.wml-btn-mask-text {
    position: relative;
    display: block;
    padding: 0.6em 1.2em;
    color: #000;
    text-align: center;
    font-family: inherit;
    font-weight: inherit;
    font-size: inherit;
    line-height: 1;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.wml-btn-mask {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    font-family: inherit;
    font-weight: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mask 1 - Nature Sprite */
.wml-btn-mask.mask-1 {
    background: #000;
    -webkit-mask: url("https://raw.githubusercontent.com/robin-dela/css-mask-animation/master/img/nature-sprite.png");
    mask: url("https://raw.githubusercontent.com/robin-dela/css-mask-animation/master/img/nature-sprite.png");
    -webkit-mask-size: 2300% 100%;
    mask-size: 2300% 100%;
    -webkit-animation: wml-mask-ani2 0.7s steps(22) forwards;
    animation: wml-mask-ani2 0.7s steps(22) forwards;
}

.wml-btn-mask.mask-1:hover {
    -webkit-animation: wml-mask-ani 0.7s steps(22) forwards;
    animation: wml-mask-ani 0.7s steps(22) forwards;
}

/* Mask 2 - Urban Sprite */
.wml-btn-mask.mask-2 {
    background: #000;
    -webkit-mask: url("https://raw.githubusercontent.com/robin-dela/css-mask-animation/master/img/urban-sprite.png");
    mask: url("https://raw.githubusercontent.com/robin-dela/css-mask-animation/master/img/urban-sprite.png");
    -webkit-mask-size: 3000% 100%;
    mask-size: 3000% 100%;
    -webkit-animation: wml-mask-ani2 0.7s steps(29) forwards;
    animation: wml-mask-ani2 0.7s steps(29) forwards;
}

.wml-btn-mask.mask-2:hover {
    -webkit-animation: wml-mask-ani 0.7s steps(29) forwards;
    animation: wml-mask-ani 0.7s steps(29) forwards;
}

/* Mask 3 - Nature Smaller Sprite */
.wml-btn-mask.mask-3 {
    background: #000;
    -webkit-mask: url("https://raw.githubusercontent.com/pizza3/asset/master/natureSmaller.png");
    mask: url("https://raw.githubusercontent.com/pizza3/asset/master/natureSmaller.png");
    -webkit-mask-size: 7100% 100%;
    mask-size: 7100% 100%;
    -webkit-animation: wml-mask-ani2 0.7s steps(70) forwards;
    animation: wml-mask-ani2 0.7s steps(70) forwards;
}

.wml-btn-mask.mask-3:hover {
    -webkit-animation: wml-mask-ani 0.7s steps(70) forwards;
    animation: wml-mask-ani 0.7s steps(70) forwards;
}

/* Mask 7 - Lightning Bolt */
.wml-btn-mask.mask-7 {
    background: #000;
    -webkit-mask:
        linear-gradient(135deg, black 25%, transparent 25%),
        linear-gradient(-135deg, black 25%, transparent 25%),
        linear-gradient(45deg, black 25%, transparent 25%),
        linear-gradient(-45deg, black 25%, transparent 25%);
    mask:
        linear-gradient(135deg, black 25%, transparent 25%),
        linear-gradient(-135deg, black 25%, transparent 25%),
        linear-gradient(45deg, black 25%, transparent 25%),
        linear-gradient(-45deg, black 25%, transparent 25%);
    -webkit-mask-size: 400% 400%;
    mask-size: 400% 400%;
    -webkit-mask-position: 100% 100%;
    mask-position: 100% 100%;
    transition: -webkit-mask-position 0.5s ease, mask-position 0.5s ease;
}

.wml-btn-mask.mask-7:hover {
    -webkit-mask-position: 0% 0%;
    mask-position: 0% 0%;
}

/* Animation Keyframes */
@-webkit-keyframes wml-mask-ani {
    from {
        -webkit-mask-position: 0 0;
        mask-position: 0 0;
    }

    to {
        -webkit-mask-position: 100% 0;
        mask-position: 100% 0;
    }
}

@keyframes wml-mask-ani {
    from {
        -webkit-mask-position: 0 0;
        mask-position: 0 0;
    }

    to {
        -webkit-mask-position: 100% 0;
        mask-position: 100% 0;
    }
}

@-webkit-keyframes wml-mask-ani2 {
    from {
        -webkit-mask-position: 100% 0;
        mask-position: 100% 0;
    }

    to {
        -webkit-mask-position: 0 0;
        mask-position: 0 0;
    }
}

@keyframes wml-mask-ani2 {
    from {
        -webkit-mask-position: 100% 0;
        mask-position: 100% 0;
    }

    to {
        -webkit-mask-position: 0 0;
        mask-position: 0 0;
    }
}